Moreover, even after more than a decade of large-scale cultivation, there is no evidence that crops modified by GM methods pose new problems for either crop diversity or biodiversity.  Indeed, they offer the possibility of increased yields with lower uses of inputs, such as pesticides.  As we will learn in Part III of this lecture, the ability to use molecular techniques to modify crop plants will be an essential tool in adapting crop plants to a changing climate. 

Go to the Part III of this lecture

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